Central Exclusive π+π- Production in p(p)over-bar Collisions at √s=0.9 and 1.96 TeV at the Tevatron

被引：0
|
作者：
Zurek, Maria [1 ,2 ]
Albrow, Michael [3 ]
机构：
[1] Forschungszentrum Julich, D-52425 Julich, Germany
[2] Univ Cologne, D-50937 Cologne, Germany
[3] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
来源：
MESON 2014 - 13TH INTERNATIONAL WORKSHOP ON PRODUCTION, PROPERTIES AND INTERACTION OF MESONS | 2014年 / 81卷
关键词：
D O I：
10.1051/epjconf/20148104013
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Exclusive pi(+)pi(-) production in proton-antiproton collisions at root s = 0.9 and 1.96 TeV in the Collider Detector at Fermilab has been measured. We selected events with exactly two particles with oposite charge, in vertical bar eta vertical bar < 1.3, with no other particles detected in vertical bar eta vertical bar < 5.9. We require the central pi(+)pi(-) to have rapidity vertical bar y vertical bar < 1. Since these events are dominated by double pomeron exchange, the quantum numbers of the central state are constrained. The data show resonance structures attributed to the f(0) and f(2) mesons.
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